Joint support for shelves



FIG. 1 is a front elevational view of a joint support for shelves showing our new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a cross sectional view taken on line 5--5 of FIG. 3;

FIG. 6 is a cross sectional view take on line 6--6 of FIG. 3;

FIG. 7 is a left side elevational view;

FIG. 8 is a right side elevational view; and,

FIG. 9 is a top, front and right side perspective view. 

The ornamental design for a joint support for shelves, as shown and described. 